def test_interpolation(self):
    cell = geocell.compute(geotypes.Point(37, -122), 14)
    sw_adjacent = geocell.adjacent(cell, (-1, -1))
    sw_adjacent2 = geocell.adjacent(sw_adjacent, (-1, -1))

    # interpolate between a cell and south-west adjacent, should return
    # 4 total cells
    self.assertEquals(4, len(geocell.interpolate(cell, sw_adjacent)))
    self.assertEquals(4, geocell.interpolation_count(cell, sw_adjacent))

    # interpolate between a cell and the cell SW-adjacent twice over,
    # should return 9 total cells
    self.assertEquals(9, len(geocell.interpolate(cell, sw_adjacent2)))
    self.assertEquals(9, geocell.interpolation_count(cell, sw_adjacent2))
示例#2
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  def test_interpolation(self):
    cell = geocell.compute(geotypes.Point(37, -122), 14)
    sw_adjacent = geocell.adjacent(cell, (-1, -1))
    sw_adjacent2 = geocell.adjacent(sw_adjacent, (-1, -1))

    # interpolate between a cell and south-west adjacent, should return
    # 4 total cells
    self.assertEquals(4, len(geocell.interpolate(cell, sw_adjacent)))
    self.assertEquals(4, geocell.interpolation_count(cell, sw_adjacent))

    # interpolate between a cell and the cell SW-adjacent twice over,
    # should return 9 total cells
    self.assertEquals(9, len(geocell.interpolate(cell, sw_adjacent2)))
    self.assertEquals(9, geocell.interpolation_count(cell, sw_adjacent2))
  def test_adjacent(self):
    cell = geocell.compute(geotypes.Point(37, -122), 14)
    box = geocell.compute_box(cell)

    # adjacency tests using bounding boxes
    self.assertEquals(box.north,
        geocell.compute_box(geocell.adjacent(cell, (0, 1))).south)
    self.assertEquals(box.south,
        geocell.compute_box(geocell.adjacent(cell, (0, -1))).north)
    self.assertEquals(box.east,
        geocell.compute_box(geocell.adjacent(cell, (1, 0))).west)
    self.assertEquals(box.west,
        geocell.compute_box(geocell.adjacent(cell, (-1, 0))).east)

    self.assertEquals(8, len(geocell.all_adjacents(cell)))

    # also test collinearity
    self.assertTrue(
        geocell.collinear(cell, geocell.adjacent(cell, (0, 1)), True))
    self.assertFalse(
        geocell.collinear(cell, geocell.adjacent(cell, (0, 1)), False))
    self.assertTrue(
        geocell.collinear(cell, geocell.adjacent(cell, (1, 0)), False))
    self.assertFalse(
        geocell.collinear(cell, geocell.adjacent(cell, (1, 0)), True))
示例#4
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  def test_adjacent(self):
    cell = geocell.compute(geotypes.Point(37, -122), 14)
    box = geocell.compute_box(cell)

    # adjacency tests using bounding boxes
    self.assertEquals(box.north,
        geocell.compute_box(geocell.adjacent(cell, (0, 1))).south)
    self.assertEquals(box.south,
        geocell.compute_box(geocell.adjacent(cell, (0, -1))).north)
    self.assertEquals(box.east,
        geocell.compute_box(geocell.adjacent(cell, (1, 0))).west)
    self.assertEquals(box.west,
        geocell.compute_box(geocell.adjacent(cell, (-1, 0))).east)

    self.assertEquals(8, len(geocell.all_adjacents(cell)))

    # also test collinearity
    self.assertTrue(
        geocell.collinear(cell, geocell.adjacent(cell, (0, 1)), True))
    self.assertFalse(
        geocell.collinear(cell, geocell.adjacent(cell, (0, 1)), False))
    self.assertTrue(
        geocell.collinear(cell, geocell.adjacent(cell, (1, 0)), False))
    self.assertFalse(
        geocell.collinear(cell, geocell.adjacent(cell, (1, 0)), True))